Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11160364 | Filament transportation device | Andreas Birk, Christian Gehret, Volker Rudolph | 2021-11-02 |
| D933368 | Head for electric toothbrush | Devran Albay, Moritz Carlo Honisch, Dominik Langhammer, Siegfried Bauernfeind, Bianka Becker-Salzsäuler +1 more | 2021-10-19 |
| 11103054 | Brush head for an oral care implement | Ulrich Störkel, Bianka Becker-Salzsäuler, Siegfried Bauernfeind | 2021-08-31 |